National Museum of Nuclear Science & History
J. D. Hayes worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Raymond Sheline was a chemist at Columbia University and a member of the Special Engineer Detachment at Oak Ridge and Los Alamos.
MacDonald was a member of the Instrument Section at the University of Chicago’s Metallurgical Laboratory.
L. T. Roberts worked for the Tennessee Eastman Corporation at the Y-12 Plant.